短語(yǔ)詞組短語(yǔ)bundle -sheath extension 維管束鞘伸展區(qū)vascular bundle sheath [植]維管束鞘;維管束鞘vascular bundle sheath cell 維管束鞘細(xì)胞vascular bundle sheath bundles 維管束鞘bundle sheath cells 維管束鞘細(xì)胞bundle sheath extention 脈鞘延伸部bundle sheath cell bsc 維管束鞘細(xì)胞bundle sheath cell 維管束鞘細(xì)胞;束鞘細(xì)胞;管束鞘細(xì)胞 返回 bundle sheath